Wellmer, Friedrich-Wilhelm.
Economic evaluations in exploration / Friedrich-Wilhelm Wellmer. - Berlin ; New York : Springer-Verlag, c1989. - xiii, 163 p. : ill.
Translation of: Rechnen f ur Lagerst attenkundler und Rohstoffwirtschaftler.
0387509240 (U.S. : alk. paper)
91016015
Mineral industries--Accounting.
657.862 / W447
Economic evaluations in exploration / Friedrich-Wilhelm Wellmer. - Berlin ; New York : Springer-Verlag, c1989. - xiii, 163 p. : ill.
Translation of: Rechnen f ur Lagerst attenkundler und Rohstoffwirtschaftler.
0387509240 (U.S. : alk. paper)
91016015
Mineral industries--Accounting.
657.862 / W447